कौन सा विकल्प (8) और (9) के बीच की अपरिमेय संख्या है?
Which option is an irrational number between (8) and (9)?
Explanation opens after your attempt
A. \(\sqrt{70}\)
Concept
Since (64<70<81), \(\sqrt{70}\) lies between (8) and (9). (70) is not a perfect square so it is irrational.
Why this answer is correct
The correct answer is A. \(\sqrt{70}\). Since (64<70<81), \(\sqrt{70}\) lies between (8) and (9). (70) is not a perfect square so it is irrational.
Exam Tip
क्योंकि (64<70<81) इसलिए \(\sqrt{70}\) (8) और (9) के बीच है। (70) पूर्ण वर्ग नहीं है इसलिए यह अपरिमेय है।
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